Home / 1,080,837.20-1,616,590.20-912,875.60

Finding the Fourth Proportional to 1,080,837.20, 1,616,590.20 and 912,875.60

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Solution

The fourth proportional to 1,080,837.20, 1,616,590.20 and 912,875.60 is: 1,365,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,837.20 : 1,616,590.20 = 912,875.60 : x
  2. Step 2: Convert to fraction form
    1,080,837.20/1,616,590.20 = 912,875.60/x
  3. Step 3: Cross multiply
    1,080,837.20x = 1,616,590.20 × 912,875.60
  4. Step 4: Simplify right side
    1,080,837.20x = 1,475,745,748,779.12
  5. Step 5: Solve for x
    x = 1,475,745,748,779.12/1,080,837.20
  6. Step 6: Final answer
    x = 1,365,372.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.